For a 587 meter train, how long is the holding test time?

The correct holding test time for a 587-meter train is indeed 28 minutes. In the context of rail operations, holding test times are critical as they define the period during which a train must remain stationary to ensure all operational safety checks are completed effectively.

For a train of this length, the holding test time is often calculated based on specific parameters, such as train length and safety regulations established by relevant authorities. These parameters allow for adequate assessment to confirm that the train is secure and that all safety systems are functioning properly before it continues its journey.

While different lengths for holding test time could be imagined, the standard for a train measuring 587 meters is established at 28 minutes, allowing for sufficient time to check all systems thoroughly. This duration balances efficiency and safety, ensuring that safety standards are met without unnecessary delays.